Uninstalling Cygwin from a harddisk mounted to another computer
Jens Scheidtmann
Jens.Scheidtmann@gmail.com
Mon Dec 31 10:39:00 GMT 2012
Dear all,
I had difficulties removing cygwin from a harddisk which was attached to another
windows computer, due to a failure of the primary computer.
Especially the ~/.ssh directories were paticularly restistant and those were the
folders I had to take care of. Cygwin was installed on an NTFS file system.
Cause of the problem:
The GUIDs of the users of the primary computer were not present on the computer
from which I tried to remove cygwin, so I got "Permission denied" errors from
Windows explorer.
Resolution:
Take ownership of the files and folders. Reset permissions for the folder and
files. This can be accomplished on the command line by:
1. Open cmd.exe as administrator
2. Take ownership:
$ takeown /f "c:\cygwin" /r /d Y
(Note: last parameter answers Yes to all questions, but is locale dependend. I
had to use "J" instead. YMMV.)
3. Reset permissions:
$ icacls "c:\cygwin" /T /Q /C /reset
Best Regards,
Jens
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